/Engine/Source/Runtime/Engine/Classes/Particles/Beam/ParticleModuleBeamModifier.h
struct FBeamModifierOptions
uint32: 1
bLock
If true, lock the modifier to the life of the particle.
uint32: 1
bModify
If true, modify the value associated with this grouping.
uint32: 1
bScale
If true, scale the associated value by the given value.